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Low Kian Seong
Asked: 2011-01-08 00:57:33 +0800 CST

What is the best log rotator for Python wsgi applications?

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I am running a wsgi based application that has concurrent users accessing it. For my logs needs I tried logrotate but found that logrotate is not too friendly to Python applications, so I tried using RotatingFileHandler and even worse found my logs all chopped up and part of it went missing!

I am considering ConcurrentRotatingFileHandler, my question is, has anyone out there experienced the same thing and better yet do you have any battle tested solution for Python wsgi, concurrently accessed applications?

linux python

2 Answers

  1. What was the problem with logrotate ? You may have a look at chronolog. It's mostly for web logs.

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  2. if you use a newer version of python the logging module has support to rotate logs.

    # Add the log message handler to the logger
handler = logging.handlers.RotatingFileHandler(
          LOG_FILENAME, maxBytes=20, backupCount=5)

    look at http://docs.python.org/library/logging.html

    i assume you use a built in web server as CherryPy.

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